APA (7th ed.) Citation

Janssen, C. Archivmaterialien zu Claudia Janssen, 1966-.

Chicago Style (17th ed.) Citation

Janssen, Claudia. Archivmaterialien Zu Claudia Janssen, 1966-.

MLA (9th ed.) Citation

Janssen, Claudia. Archivmaterialien Zu Claudia Janssen, 1966-.

Warning: These citations may not always be 100% accurate.